A thermally derived and optimized structure from ZIF-8 with giant enhancement in CO2 uptake

被引：246

作者：

Gadipelli, Srinivas ^{[1
]}

Travis, Will ^{[1
]}

Zhou, Wei ^{[2
,3
]}

Guo, Zhengxiao ^{[1
]}

机构：

[1] UCL, Dept Chem, London WC1H 0AJ, England

[2] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA

[3] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2014年 / 7卷 / 07期

关键词：

METAL-ORGANIC FRAMEWORKS; ZEOLITIC-IMIDAZOLATE-FRAMEWORK; HIERARCHICALLY POROUS CARBON; HIGH-SURFACE-AREA; HIGH-PRESSURE; DIRECT CARBONIZATION; REACTIVE ADSORPTION; NANOPOROUS CARBONS; HYDROGEN STORAGE; GAS-ADSORPTION;

D O I：

10.1039/c4ee01009d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a new, simple and versatile method to obtain highly active MOF structures by carefully controlled post-synthesis thermal annealing. The active ZIF-8 structure shows highly enhanced CO2/N-2 selectivity and a stable cyclic CO2 uptake of >= 1.5mmol g(-1) at 1 bar and 25 degrees C with a heat of adsorption of >= 30 kJ mol(-1), which is over 100% greater than approximate to 0.7 mmol g(-1) and approximate to 17 kJ mol(-1), respectively of ZIF-8.

引用

页码：2232 / 2238

页数：7

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